Remove GetExtensionService from Profile.

chrome/browser/chromeos/extensions/wallpaper_manager_util.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/extensions/wallpaper_manager_util.h"
 
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
 
 namespace wallpaper_manager_util {
 
 void OpenWallpaperManager() {
   Profile* profile = ProfileManager::GetDefaultProfileOrOffTheRecord();
-  ExtensionService* service = profile->GetExtensionService();
+  ExtensionService* service =
+      extensions::ExtensionSystem::Get(profile)->extension_service();
   if (!service)
     return;
 
   const extensions::Extension* extension =
       service->GetExtensionById(extension_misc::kWallpaperManagerId, false);
   if (!extension)
     return;
 
   application_launch::LaunchParams params(profile, extension,
                                           extension_misc::LAUNCH_WINDOW,
                                           NEW_WINDOW);
   application_launch::OpenApplication(params);
 }
 
 }  // namespace wallpaper_manager_util